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CVE-2026-31431: Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability
Linux Kernel · in CISA KEV since 2026-05-01
2026-05-01added to KEV
2026-05-15federal remediation due date
99.91%EPSS exploit probability (30 days) 100.0th percentile
7.8 HIGHCVSS 3.1
Unknownknown ransomware use
9days from NVD publication to KEV
What it is
Linux Kernel contains an incorrect resource transfer between spheres vulnerability that could allow for privilege escalation.
Required action (CISA)
"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-669 |
|---|---|
| CVSS vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2026-04-22 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2026-31431.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.